Yes, both SketchUp and Adobe Dimension offer a Free Trial.
SketchUp is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Adobe Dimension is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SketchUp Starts at $119/Year whereas for Adobe Dimension Starts at $19.99/Month when Billed Yearly.
Some top alternatives to SketchUp includes Vectary, 3D Slash, SelfCAD, Clara.io, Giraffe, 3ds Max, Archicad, Revit LT and Lumion.
Some top alternatives to Adobe Dimension includes Vectary, SelfCAD, SketchUp, Giraffe, 3ds Max, Maya, Cinema 4D, Modo and Spline.